which of these is a flap that shut off the passage to the trachea and lungs
The epiglottis is a flap of cartilage that opens and closes the trachea. It is located at the root of the tongue.
the small flap is called the Epiglottis :)
The epiglottis protects the trachea from food.
The thin muscular flap that keeps food from entering the trachea is the Epiglottis.
glottus
epiglotis
It is the epiglottis.
It is the epiglottis.
It is the epiglottis.
It's a "flap" that covers either the trachea or esophagus. It prevents you from choking. When you eat, it covers the trachea so food will go down the esophagus and not the windpipe (trachea). If food gets down your trachea, you will choke.
The opening in the tracheal respiratory system is the brronchi.